'86 240DL engine "pinging" problem
#1
#3
RE: '86 240DL engine "pinging" problem
My mechanic suggested using 89 octane for a tank load, which I am doing, before doing tune up and timing. Seems to help (maybe psychological?): engine seems to be running more smoothly with less pinging, tho' it is still pinging under load. Could the octane have this effect?
#4
RE: '86 240DL engine "pinging" problem
Not to overly sure about your car but my new 83 turbo was pinging anytime I gave it a good amount of pedal and after poking around I realized that the vacuum advance diaphragm was stuck closed and I attached a clean hose and worked it by lung power till it was operating smoothly and now my car runs awesome and has power all the way to redline if I wanted to push it that hard. Pop the cap of the distributor and remove the hose from the vacuum pot attach a clean hose and give it a nice pull wia your mouth and watch for the arm that goes into the vacuum pot to move alittle.
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1991_240wagon
Volvo 240, 740 & 940
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08-06-2009 07:22 PM